US PATENT SUBCLASS 280 / 645
.~.~.~.~.~ One- or two-wheeled cart

Current as of: June, 1999
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280 /   HD   LAND VEHICLES

29  DF  WHEELED {21}
638  DF  .~ Extensible {6}
639  DF  .~.~ Folding {7}
38  DF  .~.~.~ Pivoted wheel carrier {2}
641  DF  .~.~.~.~ Transverse axis {2}
645.~.~.~.~.~ One- or two-wheeled cart {1}
646  DF  .~.~.~.~.~.~> Laterally, inwardly collapsing wheels

DEFINITION

Classification: 280/645

(under subclass 641) Folding vehicles comprising a manually powered vehicle, adapted to rely upon the operator for equilibrium when in operation, and having wheel carriers which are pivoted to the vehicle frame structure.